Question

One weekday, the ticket sales person at a bus station asks every 10th ticket buyer if they had planned to use a laptop computer while traveling. Of the 145 travelers questioned, 54 said yes.

Based on this sample, predict how many people out of 3100 weekday bus travelers will use a laptop while traveling. Round to the nearest whole number.

Answer 1

From the 3100 weekday bus traveler, 310 travelers will be asked by the sales person. And for every 2.685 traveler questioned, a traveler will say yes. So there will be 115 bus travelers that will use a laptop computer while travelling.